Announced way back at CES 2016 Motivs fitness ring was surprisingly capable and accurate for its tiny form factor Earlier this year the startup promised to bring even more functionality to the finger starting with biometric authentication that uses a wearers gait to unlock devices This year at the show the companys got a handful of additional new features to showoff Most interesting among them is upcoming addition of mobile payments via NFC How precisely the platform works remains to be soon though the company promises security through the biometrics Interesting the company also claims to be adding ECG electrocardiogram readings Again details are pretty scant on the feature which is due out next year Of course Apple recently brought the feature to its smartwatch and others are no doubt following suit soon It will be interesting to see how the company manages to fit that into the rings form factor surely it must be running out of unused space by now Ditto for how all of this ultimately impacts the life of the rings tiny built-in battery No word on whether Motiv is actively pursuing FDA approval for the new medical feature